Revert numpy version

Author: kbattocchi

azure-pipelines.yml

@@ -96,10 +96,10 @@ jobs:
       displayName: 'Notebooks (Customer Solutions)'
       steps:
       # Work around https://github.com/pypa/pip/issues/9542
-      - script: 'pip install -U numpy~=1.22.0'
+      - script: 'pip install -U numpy~=1.21.0'
         displayName: 'Upgrade numpy'
 
-      - script: 'pip install pytest pytest-runner jupyter jupyter-client nbconvert nbformat seaborn xgboost tqdm && python setup.py pytest'
+      - script: 'pip install pytest pytest-runner jupyter jupyter-client nbconvert nbformat seaborn xgboost tqdm && pip list && python setup.py pytest'
         displayName: 'Unit tests'
         env:
           PYTEST_ADDOPTS: '-m "notebook"'
@@ -124,7 +124,7 @@ jobs:
       displayName: 'Notebooks (except Customer Solutions)'
       steps:
       # Work around https://github.com/pypa/pip/issues/9542
-      - script: 'pip install -U numpy~=1.22.0'
+      - script: 'pip install -U numpy~=1.21.0'
         displayName: 'Upgrade numpy'
 
       # shap 0.39 and sklearn 1.0 interact badly in these notebooks